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ILF3866N PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 ILF3866N
기능 Subscriber Line
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ILF3866N 데이터시트, 핀배열, 회로
ILF3866N
Interface Circuit of Subscriber Line ILF3866N (Interface Circuit)
(Functional Analogue – TFF3866 by Company Megaxess)
Microcircuit ILF3866N is essentially the subsriber's line
interface (SLIC).
Microcircuit ILF3866N is intended for matching the
signals of the subsriber's telephone line and the internal tract of
the analogue or analogue-digital automatic telephone station
(АТS). Microcircuit is used in the automatic telephone station. In
the analogue-digital automatic telephone stations the microcircuit
ILF3866N is used in the kit with the codek microcircuit
IL145567N (IL145567DW), IL145557DW.
Functional features of the microcircuit:
- provides power supply to the subscriber's line and the
phone set (Phone);
- performs receipt and transfer of the signals in two
directions, as well as separation of signals between the
double-wire and quadruple wire station lines;
- ensures matching of impedances;
- determines the state of stub (receiver is on hook /receiver
is off hook);
- controls application of the call signal (via the external
relay);
- performs the line testing by the leakage current to the
ground;
- performs the line protection from short circuit (heat
protection);
- has the digital port for the commands receipt from the
microcontroller;
- temperature range is from minus 40 to plus 70 С.
Application of the microcircuit ILF3866N will make it
possible to reduce power consumption, dimensions and cost of
the telephone station, enhance quality and reliability of the phone
communication.
By design the microcircuit is made in the plastic twenty
two pin DIP package MS-010AА.
INTEGRAL
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ILF3866N pdf, 반도체, 판매, 대치품
Maximum and absolute maximum ratings
Mode, Parameter, Unit
Symbol
D. C. supply voltage, V
Vcc relative to AGND
VEE relative to АGND
VBat relative to BGND
Dissipated power, Wt:
– with Т 70 С
– with Т 85 С
Voltage disbalance of pin
AGND relative to pin
BGND, V
Relay driver:
- relay voltage, V
- relay current, mА
Call
comparator:
interruption
- input voltage, V
- input voltage, mА
Digital inputs, outputs (С1,
С2, Е0, Е1, DET)
- low level input voltage, V
- high level input voltage,
V
- output voltage, V
Vcc
VEE
VBat
РD
VG
VRRly
IRRly
VDT, VDR
IDT, IDR
VIL
VIH
VO
maximum ratings
Min Max
-4.75
-5.25
-75*
-
-0.2
VBat
-25
5.25
-4.75
-24
1.5
1.1
0.2
Vcc
0
VBat
0
-4 4
0 0.8
2.0 Vcc
0 Vcc
- output current, mА
Subscriber's signal port:
current by pin TIPX
RINGX, mА
or
IO
IRT
-5
- 50
Storage temperature, С Tstg -
-
Chip storage temperature,
С
Tj
- 140
___________
* Minus 75 C within not over 30 minutes, minus 72 C — constantly
ILF3866N
absolute maximum ratings
Min. Max
-0.5 7.0
-7.0 0.5
-100
VEE
- 1.7
1.5
-0.3 0.3
VBat Vcc
-30 0
VBat
0
-5 5
Vcc + 0.
-0.3 3
-0.3
Vcc + 0.
3
-0.3
Vcc + 0.
3
-6
- 70
-60 125
- 150
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ILF3866N 전자부품, 판매, 대치품
ILF3866N
VTR – differential voltage of double wire port (pin TIPX relative to pin RINGX);
VTX –output voltage of quadruple wire port (pin VTX relative to pin AGND);
RL – active load resistance;
RD – resitance, connected between the pins VEE and RD (programs the line current sensor);
RDC1, RDC2 – current presetting resistors;
IL – load current;
V(dBm) – voltage value, dBm, determined by the formula
V(dBm) = 20 lg V / 0.775,
V – voltage, V;
dBmP – psophometrically suspended voltage in dBm.
(1)
______________
1. Overload level is determined at the double wire port with the signal source at the quadruple wire port.
2. Overload level is determined at the quadruple wire transmitting port with the signal source at the double wire port. Gain
ratio from the double wire port to quadruple wire transmitting port is equal to G24 = 1, VRX = 0.
3. Protective resistors RF influence on the introduced losses (the introduced losses are indicated for RF = 0.)
4. The indicated tolerance at the introduced losses does not includeb the errors, caused by the external components.
5. Double wire noise of the quiet channel is determined at the port overload RL = 600 Оhm and with the grounded quadruple
wire port.
Noise of the quiet quadruple wire channel at VTX is determined with the connected loads of 600 Оhm to the double wire
port and to output of the VTX quadruple wire port. Quadruple wire receiving port is grounded (VRX = 0)
C
RL
VTRO
ILdo
TIPX
05
VTX
21
RINGX
06
RSN
19
RT
RRX
ERX
1/ RL, RL= 600 Оhm, RT = 600 kОhm, RRX = 300 kОhm
Fig. 2 – Overload level VTRO at two wire port
RLT
TIPX VTX
C
ETR 05
21
RT
VLO
RLR
RINGX
06
RSN
19
RRX
ERX
1/ 150 Оhm, RLR=RLT= 300 Оhm, RT= 600 kОhm, RLX= 300 kОhm
Fig. 3 – Balance BFLE, BMLE
INTEGRAL
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부품번호상세설명 및 기능제조사
ILF3866N

Subscriber Line

Integral
Integral

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